Great until you bump up against that 7 transactions per second limit, the entire planet adopts it and and you get to wait multiple decades between transactions.

And before you say “lightning network” do realize that LN doesn’t exist and even if it did your solution is to avoid using bitcoin. Setting aside you still have to make transactions on the bitcoin blockchain before you can even play ball with LN.

Bitcoin/cryptocurrency is a giant scam marketed toward libertarians and certain STEM types. Why Facebook decided to hitch its horse to a giant scam is beyond me.